Function core::slice::sort::quicksort

pub fn quicksort<T, F>(v: &mut [T], is_less: F)
where
    F: FnMut(&T, &T) -> bool,

🔬This is a nightly-only experimental API. (slice_internals)

Sorts v using pattern-defeating quicksort, which is O(n * log(n)) worst-case.